package file;

import java.io.File;

public class ListFilesDemo3 {//文件过滤器lambda的版

    public static void main(String[] args) {
        File dir =new File(".");
        if(dir.isDirectory()){
            File[] subs =dir.listFiles(file->file.getName().endsWith(".txt"));
            for(File sub:subs){
                System.out.println(sub.getName());
            }
        }

    }

}
